Waste Water Engineering The self-cleansing velocity of water flowing through pipe lines, is 2 metres/sec 0.25 metre/sec 1 metre/sec 0.5 metre/sec 2 metres/sec 0.25 metre/sec 1 metre/sec 0.5 metre/sec ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering If 2% solution of a sewage sample is incubated for 5 days at 20°C and depletion of oxygen was found to be 5 ppm, B.O.D. of the sewage is 200 ppm 250 ppm 225 ppm None of these 200 ppm 250 ppm 225 ppm None of these ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering An inverted siphon is designed generally for Three pipes Four pipes One pipe Two pipes Three pipes Four pipes One pipe Two pipes ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In very first stage of decomposition of the organic matter in sewage Nitrites are formed Nitrates are formed Carbondioxide is formed Ammonia is formed Nitrites are formed Nitrates are formed Carbondioxide is formed Ammonia is formed ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In primary sedimentation, the 0.2 mm inorganic solids get separated if specific gravity is 2.5 2.55 2.65 2.25 2.5 2.55 2.65 2.25 ANSWER DOWNLOAD EXAMIANS APP
Waste Water Engineering In a city the ratio of the drainage to sewage is 20, the percentage discharge passing through non-monsoon periods, is 10 15 20 5 10 15 20 5 ANSWER DOWNLOAD EXAMIANS APP
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